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1.supply n.供应
Prices change according to supply and demand.
价格根据供应量和需求量而变化。
2.waste n.浪费
I can't waste time on such frivolities.
我不能把时间浪费在这种无聊的活动上。
3.unusable adj.不能用的
Bombing had made roads and railways unusable.
轰炸使得公路和铁路都不能用。
4.Agriculture n.农业
He forced the country to collectivize agriculture.
他强迫国家将农业集体化。
5.Sometimes the food is still good for a number of days after the date, but people will throw it away.
a number of 一些
There are a number of different points of view on this issue.
在这个问题上意见纷纭。
I have a number of things to do today.
我今天有许多事情要做。
6.That amounts to 931 million metric tons of food being thrown away from homes, stores and food companies.
throw away 扔掉
I never throw anything away.
我什么东西都不舍得扔。
Why don't you throw it away?
你为什么不把它扔掉？
